Bulk Insulation
Glasswool Batts
- Most common and affordable
- Easy DIY installation (ceiling)
- Can be irritating to handle
- R2.0 to R7.0 available
Polyester Batts
- Non-irritant
- Hypoallergenic
- Slightly more expensive
- Good for DIY
Cellulose
- Blown-in application
- Good for retrofits
- Recycled material
- Needs professional installation
Reflective Insulation
- Reflects radiant heat
- Best in roof spaces
- Works with air gap
- Often combined with bulk
Spray Foam
- Excellent seal
- High R-value per thickness
- Expensive
- Professional installation only
Choosing R-Value
- Ceiling: R4.0 to R7.0
- Walls: R2.0 to R4.0
- Underfloor: R2.0 to R3.0
- Higher for cold climates